PCAP_OFFLINE_FILTER
Section: Misc. Reference Manual Pages (3PCAP)
Updated: 7 April 2014
Page Index
NAME
pcap_offline_filter - check whether a filter matches a packet
SYNOPSIS
#include <pcap/pcap.h>
int pcap_offline_filter(const struct bpf_program *fp,
const struct pcap_pkthdr *h, const u_char *pkt)
DESCRIPTION
pcap_offline_filter()
checks whether a filter matches a packet.
fp
is a pointer to a
bpf_program
struct, usually the result of a call to
pcap_compile().
h
points to the
pcap_pkthdr
structure for the packet, and
pkt
points to the data in the packet.
RETURN VALUE
pcap_offline_filter()
returns the return value of the filter program. This will be zero if
the packet doesn't match the filter and non-zero if the packet matches
the filter.
SEE ALSO
pcap(3PCAP),
pcap_compile(3PCAP)